Trump is coming for your clean water.

Trump is coming for your clean water. On Tuesday, the president is signing an executive order directing the EPA to start the long process of rolling back an Obama-era rule intended to protect water sources from pollution. The Clean Water Rule , aka the Waters of the U.S. rule, allows the EPA to regulate streams and wetlands because they feed into larger rivers and lakes that serve as drinking water sources. The rule, which was finalized in 2015, has faced fierce opposition from industry and lawmakers who say it threatens farmers, oil companies, and homebuilders. It has been embroiled in court fights challenging its validity, including one led by Scott Pruitt , who was then Oklahoma attorney general and is now head of the EPA. Trump’s order is just the start of what will be a years-long process. As New York University environmental law professor Richard L. Revesz told the N...